700 to 750

Discussion in '1st & 2nd Generation 1983-1989' started by supertex, Apr 18, 2010.

  1. supertex

    supertex New Member

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    Ok........ I've seen it said here a few times but I'm trying to find out exactly what is needed to make the 2nd gen 700 a 750. I've seen it said that the 750 just has a longer stroke, so that would mean to me that the bore would be the same. Correct? Probly couldn't find the parts, but I can't get it out of my head.:crazy:

    I would love a needed parts list.
     


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  2. squirrelman

    squirrelman Member

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    YOU wouldn't even notice the difference.......and it would cost and be lots of work.
     


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  3. crustyrider

    crustyrider New Member

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    Its just a question SM don't think Tex really wants to do it...Do you Tex? I think the parts list goes something like this..... sell VFR700....... take $1800 ..purchase gen 2 VFR750, see... you made a 700 into a 750...
     


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  4. TOE CUTTER

    TOE CUTTER Mullet Man

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    It is the rods's and crank that are different on the 86. 2mm and you really can't notice the difference.
     


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  5. supertex

    supertex New Member

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    Don't know if I'd really do it, but the 700 makes 76 bhp at 11k while the 750 makes 106 at 10,5k. Hard to imagine you wouldn't notice a 30 hp increase.

    And yes, I think I would do it with my second bike since it's a rolling experiment anyway. I wouldn't screw with my clean white one.
     


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  6. Dukiedook

    Dukiedook New Member

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    I think the 106hp on a stocker has been debunked way long ago, hasn't it?
    I think the true number is closer to 80hp.
     


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  7. tinkerinWstuff

    tinkerinWstuff Administrator Staff Member

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  8. fatso1277

    fatso1277 New Member

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    tex i would think you have an easier time finding a 750 motor and just sticking in the frame. and why u are at it. get the big bore kit for the 750 and take it to 800cc+. just my small 2 cents.
     


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  9. supertex

    supertex New Member

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    Not in Cali. Takes an arm and a leg to do this.

    Didn't know there was a big bore kit, but have never been a fan of them. /only reason I would consider the 750 parts is the integrity of the motor would not be compromised.
     


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